Hitachi Energy just launched wireless Spark Prevention Unit indicators that help prevent wildfires by enabling remote monitoring.
According to the US Department of Energy, approximately 10% of wildfire ignitions are sparked by faults on electrical infrastructure or electric equipment failure. Hitachi Energy’s new Wireless SPU Indicators allow utilities to monitor the grid remotely, in real time, with automated visual inspection rounds.
The SPU monitors the current and thermal load of surge arresters – which protect equipment from surges in the power system – installed in wildfire risk areas.
If there’s a thermal overload in the grid, the SPU interrupts the current flow and disconnects the surge arrester, thus preventing any arcing – which is when a circuit becomes overloaded and overheats – sparking, or ejection of hot particles that could potentially start a wildfire.
A visual indicator on the SPU lets the utility field crew know that it needs to be replaced. Hundreds of thousands of SPUs installed in some of the world’s most wildfire-prone areas, such as in the United States and Australia, have had a real impact in preventing wildfires. Being able to monitor them remotely is only going to improve wildfire prevention.
Photo: Pok Rie on Pexels.com
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